The Tonight Show Starring Jimmy Fallon Season 6 Molly Shannon, Zachary Quinto, Robert Irwin Season 6, episode 70 Molly Shannon, Zachary Quinto, Robert Irwin January 23, 2019 45 min Previous episode Gina Rodriguez, Lil Rel Howery, Brothers Osborne Next episode Jada Pinkett Smith, Backstreet Boys